properly show third party image, even if its not in mediastore

app/src/main/kotlin/com/simplemobiletools/gallery/activities/MainActivity.kt

@@ -116,6 +116,7 @@ class MainActivity : SimpleActivity(), DirectoryAdapter.DirOperationsListener {
 
     override fun onResume() {
         super.onResume()
+        config.isThirdPartyIntent = false
         if (mStoredAnimateGifs != config.animateGifs) {
             directories_grid.adapter?.notifyDataSetChanged()
         }

app/src/main/kotlin/com/simplemobiletools/gallery/activities/ViewPagerActivity.kt

@@ -105,11 +105,7 @@ class ViewPagerActivity : SimpleActivity(), ViewPager.OnPageChangeListener, View
                 }
             }
 
-            config.excludedFolders.map { "$it/" }.forEach {
+            config.isThirdPartyIntent = true
-                if (mPath.startsWith(it)) {
-                    config.temporarilyShowExcluded = true
-                }
-            }
         }
 
         showSystemUI()
@@ -153,7 +149,11 @@ class ViewPagerActivity : SimpleActivity(), ViewPager.OnPageChangeListener, View
         if (intent.extras?.containsKey(IS_VIEW_INTENT) == true) {
             config.temporarilyShowHidden = false
         }
-        config.temporarilyShowExcluded = false
+
+        if (config.isThirdPartyIntent) {
+            mMedia.clear()
+            config.isThirdPartyIntent = false
+        }
     }
 
     private fun setupOrientationEventListener() {

app/src/main/kotlin/com/simplemobiletools/gallery/extensions/context.kt

@@ -16,7 +16,6 @@ import com.simplemobiletools.gallery.activities.SettingsActivity
 import com.simplemobiletools.gallery.helpers.*
 import com.simplemobiletools.gallery.models.Medium
 import java.io.File
-import java.util.*
 
 val Context.portrait get() = resources.configuration.orientation == Configuration.ORIENTATION_PORTRAIT
 val Context.audioManager get() = getSystemService(Context.AUDIO_SERVICE) as AudioManager
@@ -72,10 +71,10 @@ private fun parseCursor(context: Context, cur: Cursor, isPickImage: Boolean, isP
     val config = context.config
     val filterMedia = config.filterMedia
     val showHidden = config.shouldShowHidden
-    val showExcluded = config.temporarilyShowExcluded
     val includedFolders = config.includedFolders.map { "$it/" }
     val excludedFolders = config.excludedFolders.map { "$it/" }
     val noMediaFolders = context.getNoMediaFolders()
+    val isThirdPartyIntent = config.isThirdPartyIntent
 
     cur.use {
         if (cur.moveToFirst()) {
@@ -138,7 +137,7 @@ private fun parseCursor(context: Context, cur: Cursor, isPickImage: Boolean, isP
                         isExcluded = true
                     }
 
-                    if (!isExcluded || showExcluded) {
+                    if (!isExcluded || isThirdPartyIntent) {
                         val dateTaken = cur.getLongValue(MediaStore.Images.Media.DATE_TAKEN)
                         val dateModified = cur.getIntValue(MediaStore.Images.Media.DATE_MODIFIED) * 1000L
 
@@ -152,8 +151,23 @@ private fun parseCursor(context: Context, cur: Cursor, isPickImage: Boolean, isP
         }
     }
 
-    config.includedFolders.filter { it.isNotEmpty() && (curPath.isEmpty() || it == curPath) }.mapNotNull { File(it).listFiles() }.forEach {
+    config.includedFolders.filter { it.isNotEmpty() && (curPath.isEmpty() || it == curPath) }.forEach {
-        for (file in it) {
+        getMediaInFolder(it, curMedia, isPickImage, isPickVideo, filterMedia)
+    }
+
+    if (isThirdPartyIntent && curPath.isNotEmpty() && curMedia.isEmpty()) {
+        getMediaInFolder(curPath, curMedia, isPickImage, isPickVideo, filterMedia)
+    }
+
+    Medium.sorting = config.getFileSorting(curPath)
+    curMedia.sort()
+
+    return curMedia
+}
+
+private fun getMediaInFolder(folder: String, curMedia: ArrayList<Medium>, isPickImage: Boolean, isPickVideo: Boolean, filterMedia: Int) {
+    val files = File(folder).listFiles() ?: return
+    for (file in files) {
         val size = file.length()
         if (size <= 0L) {
             continue
@@ -184,12 +198,6 @@ private fun parseCursor(context: Context, cur: Cursor, isPickImage: Boolean, isP
         if (!isAlreadyAdded)
             curMedia.add(medium)
     }
-    }
-
-    Medium.sorting = config.getFileSorting(curPath)
-    curMedia.sort()
-
-    return curMedia
 }
 
 fun Context.getSortingForFolder(path: String): String {

app/src/main/kotlin/com/simplemobiletools/gallery/helpers/Config.kt

@@ -54,9 +54,9 @@ class Config(context: Context) : BaseConfig(context) {
         get() = prefs.getBoolean(TEMPORARILY_SHOW_HIDDEN, false)
         set(temporarilyShowHidden) = prefs.edit().putBoolean(TEMPORARILY_SHOW_HIDDEN, temporarilyShowHidden).apply()
 
-    var temporarilyShowExcluded: Boolean
+    var isThirdPartyIntent: Boolean
-        get() = prefs.getBoolean(TEMPORARILY_SHOW_EXCLUDED, false)
+        get() = prefs.getBoolean(IS_THIRD_PARTY_INTENT, false)
-        set(temporarilyShowExcluded) = prefs.edit().putBoolean(TEMPORARILY_SHOW_EXCLUDED, temporarilyShowExcluded).apply()
+        set(isThirdPartyIntent) = prefs.edit().putBoolean(IS_THIRD_PARTY_INTENT, isThirdPartyIntent).apply()
 
     var pinnedFolders: Set<String>
         get() = prefs.getStringSet(PINNED_FOLDERS, HashSet<String>())

app/src/main/kotlin/com/simplemobiletools/gallery/helpers/Constants.kt

@@ -6,7 +6,7 @@ val DIRECTORY_SORT_ORDER = "directory_sort_order"
 val SORT_FOLDER_PREFIX = "sort_folder_"
 val SHOW_HIDDEN_MEDIA = "show_hidden_media"
 val TEMPORARILY_SHOW_HIDDEN = "temporarily_show_hidden"
-val TEMPORARILY_SHOW_EXCLUDED = "temporarily_show_excluded"
+val IS_THIRD_PARTY_INTENT = "is_third_party_intent"
 val AUTOPLAY_VIDEOS = "autoplay_videos"
 val LOOP_VIDEOS = "loop_videos"
 val ANIMATE_GIFS = "animate_gifs"